When an item needs to be repaired (whether or not under warranty), report the problem to the Buyer who handled the purchase and s/he will contact the vendor for a return merchandise authorization. The Buyer will create a Shipping Memo which will allow the item to be tracked. If you have a service warranty on a computer, tablet, laptop, or another electronic device, the end user should contact the vendor and arrange onsite repair or return for repair.
Yes, follow the same procedure as above.
Use the above procedures for all returns.